The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 30, 2024

Filed:

Nov. 07, 2019
Applicants:

Thyssenkrupp Steel Europe Ag, Duisburg, DE;

Thyssenkrupp Ag, Essen, DE;

Inventors:

Anton Vidovic, Essen, DE;

Karl Telger, Coesfeld, DE;

Olaf Fischer, Bochum, DE;

Nina Maria Winkler, Essen, DE;

Assignees:

ThyssenKrupp Steel Europe AG, Duisburg, DE;

ThyssenKrupp AG, Essen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 38/26 (2006.01); C21D 8/02 (2006.01); C21D 9/46 (2006.01); C22C 38/02 (2006.01); C22C 38/04 (2006.01); C22C 38/06 (2006.01); C22C 38/22 (2006.01); C22C 38/24 (2006.01);
U.S. Cl.
CPC ...
C22C 38/26 (2013.01); C21D 8/0205 (2013.01); C21D 8/0226 (2013.01); C21D 8/0236 (2013.01); C21D 9/46 (2013.01); C22C 38/02 (2013.01); C22C 38/04 (2013.01); C22C 38/06 (2013.01); C22C 38/22 (2013.01); C22C 38/24 (2013.01);
Abstract

A non-oriented electrical steel strip or sheet having the following composition, in percent by weight: 3.2 to 3.4 of Si, 0.85 to 1.1 of Al, 0.07 to 0.18 of Mn, 0.01 to 0.04 of P, 0.0003 to 0.0030 of S, 0.0005 to 0.0020 of N, 0.0010 to 0.0050 of C, 0.0015 to 0.0040 of Ti, 0.01 to 0.008 of Cr, up to 0.05 in total of Nb+Mo+V, balance Fe and unavoidable impurities up to a total amount of 1.0% and having a specific electrical resistance at 50° C. of 0.62 to 0.65μΩm. Also, a process for the production thereof and the use thereof in iron cores of rotating electric machines, in particular in electric motors, for example in electric vehicles or hybrid vehicles, and generators.


Find Patent Forward Citations

Loading…